Indirect excitation of Er3+ in sol-gel hybrid films doped with an erbium complex
- 28 April 2003
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 82 (17), 2787-2789
- https://doi.org/10.1063/1.1570919
Abstract
Transparent sol-gel hybrid films doped with erbium tris 8-hydroxyquinoline were prepared using methyltriethoxysilane, vinyltriethoxysilane, and phenyltrimethoxysilane as precursors. We obtain a strong 1.53-μm Er 3+ luminescence with a wide full width at half-maximum and no thermal quenching. Comparison of absorption of the film with the pump wavelength dependence of Er 3+ luminescence intensity indicates the presence of an efficient indirect excitation path for Er 3+ via organic ligands.Keywords
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